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"use client"
import { useState, useCallback } from 'react'
import { MemoryGraph, type DocumentWithMemories } from '@supermemory/memory-graph'
interface DocumentsResponse {
documents: DocumentWithMemories[]
pagination: {
currentPage: number
limit: number
totalItems: number
totalPages: number
}
}
export default function Home() {
const [apiKey, setApiKey] = useState('')
const [documents, setDocuments] = useState<DocumentWithMemories[]>([])
const [isLoading, setIsLoading] = useState(false)
const [isLoadingMore, setIsLoadingMore] = useState(false)
const [error, setError] = useState<Error | null>(null)
const [hasMore, setHasMore] = useState(false)
const [currentPage, setCurrentPage] = useState(0)
const [showGraph, setShowGraph] = useState(false)
const PAGE_SIZE = 500
const fetchDocuments = useCallback(async (page: number, append = false) => {
if (!apiKey) return
if (page === 1) {
setIsLoading(true)
} else {
setIsLoadingMore(true)
}
setError(null)
try {
const response = await fetch('/api/graph', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
apiKey,
page,
limit: PAGE_SIZE,
sort: 'createdAt',
order: 'desc',
}),
})
if (!response.ok) {
const errorData = await response.json()
throw new Error(errorData.error || 'Failed to fetch documents')
}
const data: DocumentsResponse = await response.json()
if (append) {
setDocuments(prev => [...prev, ...data.documents])
} else {
setDocuments(data.documents)
}
setCurrentPage(data.pagination.currentPage)
setHasMore(data.pagination.currentPage < data.pagination.totalPages)
setShowGraph(true)
} catch (err) {
setError(err instanceof Error ? err : new Error('Unknown error'))
} finally {
setIsLoading(false)
setIsLoadingMore(false)
}
}, [apiKey])
const loadMoreDocuments = useCallback(async () => {
if (hasMore && !isLoadingMore) {
await fetchDocuments(currentPage + 1, true)
}
}, [hasMore, isLoadingMore, currentPage, fetchDocuments])
const handleSubmit = (e: React.FormEvent) => {
e.preventDefault()
if (apiKey) {
setDocuments([])
setCurrentPage(0)
fetchDocuments(1)
}
}
return (
<div className="flex flex-col h-screen bg-zinc-950">
{/* Header */}
<header className="shrink-0 border-b border-zinc-800 bg-zinc-900 px-6 py-4">
<div className="flex items-center justify-between">
<div>
<h1 className="text-xl font-semibold text-white">Memory Graph Playground</h1>
<p className="text-sm text-zinc-400">Test the @supermemory/memory-graph package</p>
</div>
<form onSubmit={handleSubmit} className="flex items-center gap-3">
<input
type="password"
placeholder="Enter your Supermemory API key"
value={apiKey}
onChange={(e) => setApiKey(e.target.value)}
className="w-80 rounded-lg border border-zinc-700 bg-zinc-800 px-4 py-2 text-sm text-white placeholder-zinc-500 focus:border-blue-500 focus:outline-none focus:ring-1 focus:ring-blue-500"
/>
<button
type="submit"
disabled={!apiKey || isLoading}
className="rounded-lg bg-blue-600 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-50"
>
{isLoading ? 'Loading...' : 'Load Graph'}
</button>
</form>
</div>
</header>
{/* Main content */}
<main className="flex-1 overflow-hidden">
{!showGraph ? (
<div className="flex h-full items-center justify-center">
<div className="max-w-md text-center">
<div className="mb-6 text-6xl">
<svg className="mx-auto h-16 w-16 text-zinc-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.5} d="M13.828 10.172a4 4 0 00-5.656 0l-4 4a4 4 0 105.656 5.656l1.102-1.101m-.758-4.899a4 4 0 005.656 0l4-4a4 4 0 00-5.656-5.656l-1.1 1.1" />
</svg>
</div>
<h2 className="mb-2 text-xl font-semibold text-white">Get Started</h2>
<p className="mb-6 text-zinc-400">
Enter your Supermemory API key above to visualize your memory graph.
</p>
<div className="text-left text-sm text-zinc-500">
<p className="mb-2 font-medium text-zinc-400">Features to test:</p>
<ul className="list-inside list-disc space-y-1">
<li>Pan and zoom the graph</li>
<li>Click on nodes to see details</li>
<li>Drag nodes around</li>
<li>Use the space selector to filter</li>
<li>Pagination loads more documents</li>
</ul>
</div>
</div>
</div>
) : (
<div className="h-full w-full">
<MemoryGraph
documents={documents}
isLoading={isLoading}
isLoadingMore={isLoadingMore}
error={error}
hasMore={hasMore}
loadMoreDocuments={loadMoreDocuments}
totalLoaded={documents.length}
variant="console"
showSpacesSelector={true}
>
<div className="flex h-full items-center justify-center">
<p className="text-zinc-400">No memories found. Add some content to see your graph.</p>
</div>
</MemoryGraph>
</div>
)}
</main>
</div>
)
}
|